Genetic Trial to Study Diarrhea in Patients With Stage III Colon Cancer Who Are Receiving Chemotherapy

RATIONALE: Genetic testing may help predict how patients will respond to chemotherapy drugs and may help doctors plan more effective treatment with fewer side effects.
PURPOSE: Genetic study to determine how genes affect the severity of diarrhea in patients with stage III colon cancer who are receiving chemotherapy.

研究依据（RATIONALE）：基因检测可辅助预测患者对化疗药物的应答情况，助力医生制定疗效更优、不良反应更少的治疗方案。
研究目的（PURPOSE）：本遗传学研究旨在明确基因对接受化疗的III期结肠癌患者腹泻严重程度的影响。